2020-2025
From January 2018 to December 2024, 75% of Lassa fever confirmed cases were from Ondo (33%), Edo (31%) and Bauchi (11%).
In 2025, as of epi week 16, 87% of LF cases are from Ondo (30%), Bauchi (25%), Edo (16%), and Taraba (16%) States.
Total confirmed cases: 696
Deaths from Confirmed Cases: 132
Case Fatality Ratio: 19%
Number of Health Care Workers: 21
| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 1391 | 207 | 27 | 13% | ||||
| 2024 | 1218 | 199 | 13 | 7% | ||||
| 2023 | 1276 | 289 | 31 | 11% | ||||
| 2022 | 704 | 212 | 37 | 17% | ||||
| 2021 | 308 | 72 | 20 | 28% | ||||
| 2020 | 535 | 313 | 44 | 14% | ||||
Source: NCDC |
||||||||
| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 775 | 176 | 13 | 7% | ||||
| 2024 | 706 | 143 | 28 | 20% | ||||
| 2023 | 667 | 102 | 18 | 18% | ||||
| 2022 | 649 | 115 | 12 | 10% | ||||
| 2021 | 46 | 8 | 2 | 25% | ||||
| 2020 | 274 | 43 | 19 | 44% | ||||
Source: NCDC |
||||||||
| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 1302 | 108 | 17 | 16% | ||||
| 2024 | 1420 | 186 | 24 | 13% | ||||
| 2023 | 1750 | 257 | 31 | 12% | ||||
| 2022 | 1298 | 183 | 24 | 13% | ||||
| 2021 | 975 | 110 | 13 | 12% | ||||
| 2020 | 1161 | 320 | 39 | 12% | ||||
Source: NCDC |
||||||||
| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 299 | 114 | 33 | 29% | ||||
| 2024 | 214 | 98 | 21 | 21% | ||||
| 2023 | 250 | 83 | 29 | 35% | ||||
| 2022 | 79 | 31 | 14 | 45% | ||||
| 2021 | 52 | 18 | 11 | 61% | ||||
| 2020 | 106 | 56 | 21 | 38% | ||||
Source: NCDC |
||||||||
| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 196 | 21 | 11 | 52% | ||||
| 2024 | 250 | 43 | 24 | 56% | ||||
| 2023 | 195 | 50 | 28 | 56% | ||||
| 2022 | 194 | 39 | 18 | 46% | ||||
| 2021 | 80 | 15 | 6 | 40% | ||||
| 2020 | 192 | 73 | 21 | 29% | ||||
Source: NCDC |
||||||||
| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 65 | 15 | 4 | 27% | ||||
| 2024 | 110 | 29 | 3 | 10% | ||||
| 2023 | 39 | 11 | 1 | 9% | ||||
| 2022 | 108 | 42 | 7 | 17% | ||||
| 2021 | 7 | 2 | 0 | 0% | ||||
| 2020 | 84 | 35 | 8 | 23% | ||||
Source: NCDC |
||||||||
| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 69 | 14 | 7 | 50% | ||||
| 2024 | 25 | 3 | 1 | 33% | ||||
| 2023 | 34 | 7 | 1 | 14% | ||||
| 2022 | 113 | 18 | 7 | 39% | ||||
| 2021 | 3 | 0 | 0 | – | ||||
| 2020 | 31 | 9 | 2 | 22% | ||||
Source: NCDC |
||||||||
| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 63 | 9 | 4 | 44% | ||||
| 2024 | 1041 | 62 | 11 | 18% | ||||
| 2023 | 143 | 36 | 3 | 8% | ||||
| 2022 | 192 | 31 | 8 | 26% | ||||
| 2021 | 17 | 5 | 0 | 0% | ||||
| 2020 | 27 | 8 | 3 | 38% | ||||
Source: NCDC |
||||||||
Any questions or suggestions? Contact us: Anaïs Legand and Antoine Chaillon
As of 2025, week 16